Drive chain tightener and holder



FIG. 1 is a front, top perspective view of a drive chain tightener and holder showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a bottom plan view;

FIG. 4 is a front elevational view the rear elevational view being a mirror image;

FIG. 5 is a right side elevational view; and

FIG. 6 is a left side elevational view thereof. 

The ornamental design for a drive chain tightener and holder, as shown and described. 